Fix build for hikey

* BOARD_BLUETOOTH_BDROID_BUILDCFG_INCLUDE_DIR should be assigned to path
  without quote. hikey assigns to a path with quote, causing its build
  to break after I94cad65c77464e5b467abee05951ddfd35b9f27d

Test: Code compilation
Bug: 32958753
Change-Id: Ia839f606d0079d39ea624a6fccb9f830810556b3
1 file changed